The Internet is an international computer network composed of thousands of smaller networks. As K-12 schools connect to the Internet, a new method of communication opens up to educators and their students. This ERIC Digest describes some sample services and resources that are available to the K-12 community by electronic mail over the Internet. Question answering services, electronic discussion groups, and Usenet newsgroups are highlighted. Contains a list of 10 references and readings. (Resources and addresses are subject to change.) (AEF)